Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/10 of 7/90?"
510 × 790 is 7180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10×14/90 5/20×7/90 15/10×7/90 5/10×21/90 5/30×7/90 25/10×7/90 5/10×35/90 5/50×7/90 35/10×7/90 5/10×49/90 5/70×7/90
© everydaycalculation.com